Re: [Phys-l] picket fence free fall vs. ticker tape timer

["Mary Hing-Hickman" <physicsphun@cox.net>]

I'm not sure if this is it.


Moreland, Parker (2000, September). Improving precision and accuracy in the 
g lab. The Physics Teacher, 38, 367-369.





Mary E Hing-Hickman

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----- Original Message ----- 
From: <FIZIX29@aol.com>
To: <phys-l@carnot.physics.buffalo.edu>
Sent: Saturday, September 15, 2007 3:28 PM
Subject: [Phys-l] picket fence free fall vs. ticker tape timer


> I remember reading an article last year on the error in using position-time
> data (like a ticker-tape) in calculating the acceleration of a freely 
> falling
> object.  In particular, I think it referred to using position time data 
> from a
> "picket fence" apparatus with regularly spaced opaque and transparent 
> strips
> falling through a photogate.  I have searched my paper files and the 
> internet
> to no avail.  Does this sound familiar to anyone who could point me in the
> proper direction?
>
> Thanks
>
> Justin Parke
>
>
>
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